Unscramble Stmps

What is the meaning of word stmps unscrambled?

What 5 letter words can be made from letters S T M P S:

Make more words by adding or removing letters

How many 4 letter words can you make from letters S T M P S?

1. psst - Definition of psst

2. SMTP - Definition of SMTP

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling tmps
2) Removing the letter T and unscrambling smps
3) Removing the letter M and unscrambling stps
4) Removing the letter P and unscrambling stms
5) Removing the letter S and unscrambling stmp

More anagrams containing the letters S T M P S
stmsp stpms spsmt tspms